Vulnerability identifier: #VU357

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2016-5696

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote attacker to write arbitrary files and cause DoS condition on the target system.

The weakness exists due to an error in net/ipv4/tcp_input.c while determining the rate of challenge ACK segments. A remote attacker can perform man-in-the-middle attack and hijack TCP sessions via a blind in-window attack.

Mitigation
Update to version 4.7.

Vulnerable software versions

Linux kernel: 4.6

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CPE

• cpe:2.3:o:linux_foundation:linux_kernel:4.6:*:*:*:*:*:*:*

External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b68...

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?